In the wake of Hurricane Sandy, those of us who work at the Green Zionist Alliance from New York and New Jersey have been fortunate to have been able to move to safer ground. But in the wake of climate change, there is no other planet to which we can go. Yet if we succeed in what has been our communal effort at unintentionally warming our atmosphere, and thereby wrecking havoc on our climate, then Sandy is just the beginning — for New York, for Israel, and for the world. There is scientific consensus: To stave off the worst effects, we have to act now.